Pi

Terminal agent that speaks the Anthropic Messages format.

Base URL

https://api.bf16.ai

Protocol

anthropic-messages

Who this is for
Pi users who want a 1M-context model behind it.

Set up

Commands show $BF16_API_KEY. Sign in to fill in your own key automatically.

1
Export your key
Pi reads BF16_API_KEY from your shell environment.
```
export BF16_API_KEY=sk-bf16-v1-...
```

Add the provider

~/.pi/agent/models.json

{
  "providers": {
    "bf16": {
      "name": "bf16.ai",
      "baseUrl": "https://api.bf16.ai",
      "api": "anthropic-messages",
      "apiKey": "!printenv BF16_API_KEY",
      "models": [
        { "id": "zai-org/glm-5.3-uncensored", "name": "Uncensored GLM-5.3", "reasoning": true, "contextWindow": 1048576 }
      ]
    }
  }
}

Run it

pi --model bf16/zai-org/glm-5.3-uncensored

How to know it worked

Pi lists the bf16 provider on startup.
The request appears in your console logs.
curl https://api.bf16.ai/v1/models -H "Authorization: Bearer $BF16_API_KEY"

Common errors

Symptom

404 on every call.

Cause

The baseUrl includes /v1; the Anthropic format does not take it.

Fix

Use https://api.bf16.ai.

Do not have it yet?

npm install -g @earendil-works/pi-coding-agent